points_on_a_plane.py

class Point:
    def __init__(self, x = 0.0, y = 0.0):
        self.__x = x
        self.__y = y

    def getx(self):
        return self.__x

    def gety(self):
        return self.__y

    def distance_from_xy(self, x, y):
        x = float(x)
        y = float(y)
        x = self.getx() - x
        y = self.gety() - y
        
        return math.hypot(x, y)
        
    def distance_from_point(self, point):
        x = float(point._Point__x)
        y = float(point._Point__y)
        x = self.getx() - x
        y = self.gety() - y
        
        return math.hypot(x, y)

point1 = Point(0, 0)
point2 = Point(1, 1)
print(point1.distance_from_point(point2))
print(point2.distance_from_xy(2, 0))